ZHANG Zhi-gang. Determination on Pre-Drainage Effect Checking Index of Gas Content Critical Value in Outburst Seam[J]. COAL SCIENCE AND TECHNOLOGY, 2014, (4).
Citation:
|
ZHANG Zhi-gang. Determination on Pre-Drainage Effect Checking Index of Gas Content Critical Value in Outburst Seam[J]. COAL SCIENCE AND TECHNOLOGY, 2014, (4).
|
ZHANG Zhi-gang. Determination on Pre-Drainage Effect Checking Index of Gas Content Critical Value in Outburst Seam[J]. COAL SCIENCE AND TECHNOLOGY, 2014, (4).
Citation:
|
ZHANG Zhi-gang. Determination on Pre-Drainage Effect Checking Index of Gas Content Critical Value in Outburst Seam[J]. COAL SCIENCE AND TECHNOLOGY, 2014, (4).
|